R4 3DS card is the one which supports DS Game Roms on both 3DS and DSI firmware.You can use the above R4 flashcarts i lists on 3ds 10.2 and Dsi v1.45, without any update patch. In generally, R4 card supports ds games with very good compatibility, only a few of them may can't run via R4 3DS. The steps for playing ds games with R4 card is as simple as drag&play. You just need to download r4 card kernl, ds game roms online, then copy them to the root of a prerared sd card, lastly insert R4 3DS with sd/sdhc into the 3ds console. That's all you should do. One important thing is R4 card is the cheapest 3ds 10.2 hacking way, compared with the following 2 products. They are costing you $10 to $18 to let you play Thousands of DS games, run Homebrews, enjoy RTS and User cheats functions.
Sky3ds supports 3DS game on 10.2.0-28
Sky3ds supports 3ds games on 3ds 10.2,10.1,10.0 and nearly all lower 3ds firmwares. Not like other 3ds flashcarts or cfws are being blocked by 3ds 9.3, Sky3ds run multi-3ds roms on 3ds/new 3ds/2ds without system limitation. That's the reason why you ony can buy it to play downloaded 3ds games freely. The card is in the second version with blue button, when you install it on 3ds 10.2, you can play Hundreds of 3ds games, access Nintendo eshop, download DLC, play online and do anthing things as like you are using a retail game card. Sky3ds is also easy to use, no need for extra booting 3ds steps. You download the essential tools Sky3ds diskwriter and template file, write 3ds roms through the diskwriter on a PC, then put the sd card which with 3ds roms,diskwriter and template file into sky3ds. The installation is finished by now. Once again, want to play multiple 3ds games in one card on 3ds 10.2? Buy Sky3ds card is enough for you!